January 2020 Living Environment Regents Questions 31-40 Question Preview (ID: 56866)

Use Your Knowledge Of Living Environment To Answer All Questions In The Data Set. You May Need A Calculator To Answer Some Of The Questions. Good Luck. Corresponding Data Sets: 56862, 56863, 56865, 56866. TEACHERS: click here for quick copy question ID numbers.

Answers? Play games to get them!

An experiment is carried out to determine how different pH values of soil will affect the growth of tomato plants. In this experiment, the dependent variable could be the

a) height of the tomato plants

b) pH of the soil

c) specific variety of tomato plants used

d) pH of enzymes in tomato leaf cells

Which statement best describes van Leeuwenhoek’s work?

a) His observations alone provided enough information to form modern biological theories.

b) The microscopes he made were used by all scientists and have remained unchanged over the years.

c) Knowledge gained by his work has led to the improvement and development of modern scientific concepts.

d) Explanations of the microscopic world today are solely based on his observations and conclusions.

This signal in the male body to stop producing testosterone is an example of

a) an underproduction of estrogen

b) a feedback mechanism

c) an overproduction of testosterone

d) a decrease in anabolic steroid use

One reason why anabolic steroids can imitate the hormone testosterone is because

a) anabolic steroids and testosterone both interact with the same cell receptors

b) testosterone acts only on muscle cells

c) females produce small amounts of the hormone testosterone

d) an increase in testosterone in males using anabolic steroids increases male features

How does the ability to produce 3000 to 6500 eggs benefit the species?

a) It decreases the opportunity for more frogs to compete for limited resources.

b) More offspring are likely to survive and reproduce.

c) The offspring will be more widely distributed by fast-moving water.

d) The chances for asexual reproduction in the frogs will increase.

One explanation for the timing and length of the leopard frog breeding season is that it occurs

a) when environmental conditions are most favorable

b) 365 days after the eggs have hatched the year before

c) 2 to 3 weeks after female frogs have reached sexual maturity

d) when there is a greater chance of mutation producing favorable variations

Which row in the chart below correctly identifies the cause of this disease and a possible treatment for it?

a) 1

b) 2

c) 3

d) 4

Which statement is best supported by information in the table?

a) It is likely that male birds in species A will mate with female birds in species B.

b) It is likely that birds from species A will only mate with birds from species A.

c) Male birds from one species will change their mating behavior if the only female birds available are from the other species.

d) Mating behaviors are important only when these two species live together in the same area.

In a DNA molecule, if 38% of the molecular bases are C (cytosine), what percent of the bases are T (thymine)?

a) 12

b) 24

c) 38

d) 62

An increased demand for soybeans has led to an increase in converting native forests and grasslands to fields for growing soybeans. One negative consequence of this environmental change has been

a) an increase in natural resources for the future

b) an increase in the kinds of foods that can be produced

c) a decrease in suitable habitats for wildlife

d) a decrease in the need to set aside land for conservation

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 56866 in the upper right hand corner or click here.